1022135012321 has 2 divisors, whose sum is σ = 1022135012322. Its totient is φ = 1022135012320.

The previous prime is 1022135012281. The next prime is 1022135012347. The reversal of 1022135012321 is 1232105312201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 858485637025 + 163649375296 = 926545^2 + 404536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022135012321 - 2³⁸ = 747257105377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022135012621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511067506160 + 511067506161.

It is an arithmetic number, because the mean of its divisors is an integer number (511067506161).

Almost surely, 2^{1022135012321} is an apocalyptic number.

It is an amenable number.

1022135012321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022135012321 is an equidigital number, since it uses as much as digits as its factorization.

1022135012321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 1022135012321 in words is "one trillion, twenty-two billion, one hundred thirty-five million, twelve thousand, three hundred twenty-one".